JEFFERY KLEIN (MD) – Pain Medicine (Anesthesiology) Physician, NPI 1194751008
Pain Medicine (Anesthesiology) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
863 ANESTHESIOLOGY in CT
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Provider Addresses for JEFFERY KLEIN (MD)
Charlotte Hungerford Hospital, 540, Litchfield Street, Newberry Corner, Torrington, Litchfield County, Connecticut, 06790, United States
TORRINGTON, CT 067906679
Phone: (860) 496-6580
Fax: (860) 489-5519
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
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Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2016-03-08
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20160308001737 | I | Anesthesiology | NJ | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 76942 | Ultrasonic guidance for needle placement | 41 | 39 | $0 |
| 64447 | Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 40 | 38 | $0 |
| 01402 | Anesthesia for procedure for total knee joint replacement | 38 | 36 | $0 |
| 64999 | Other procedure on nervous system | 36 | 34 | $0 |
| 01810 | Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand | 25 | 24 | $0 |
Insurance plans in this area (ZIP 06790)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| A N E S T H E S I O L O G Y | NJ | |
| A N E S T H E S I O L O G Y | NY | |
| A N E S T H E S I O L O G Y | NJ |
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